cpanfile-dumper.rb

# Licensed under the Apache License, Version 2.0 (the License);
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#     http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an AS IS BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

class CpanfileDumper < Formula
  desc "Dump a cpanfile into targets for Pinto"
  homepage "https://gist.github.com/thaljef/52840fd60dfabc94f151"
  url "https://gist.github.com/thaljef/52840fd60dfabc94f151/archive/b154d1c3853334388e2cc5a74b3742b834ba69cd.zip"
  version '1.0.0'
  sha256 "7c97c6df71ffb243d4602aefe2d11722c4a3f1861fee0acf60a309d5485300da"

  #requires Module::CPANfile
  resource "cpanm" do
    url "https://cpanmin.us/"
    sha256 "d2221f1adb956591fa43cd61d0846b961be1fffa222210f097bfd472a11e0539"
  end

  def install
    ENV.prepend_create_path "PERL5LIB", libexec/"lib/perl5"
    
    resource("cpanm").stage do
      mv 'cpanmin.us', 'cpanm'
      system '/usr/bin/env', 'perl', "cpanm", '--notest', '--local-lib-contained', libexec, 'Module::CPANfile'
    end
    (libexec+"bin").install 'cpanfile-dumper'
    chmod 0755, (libexec+'bin/cpanfile-dumper')
    bin.install Dir[libexec/"bin/cpanfile-dumper"]
    bin.env_script_all_files(libexec/"bin", :PERL5LIB => ENV["PERL5LIB"])
  end

  test do
    (testpath/"cpanfile").write <<~EOS
      requires 'JSON'
    EOS
    system bin/'cpanfile-dumper', (testpath/'cpanfile')
  end
end